Dangerous Marine and Surf Conditions - Updated Briefing

Dangerous marine and surf conditions will continue during the next several days, with coastal flooding and heavy rainfall expected to develop beginning on Thursday. Continue to monitor this updated briefing for the latest information on expected impacts to our area. Read More >

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Mostly Cloudy

77°F

25°C

Humidity 79%
Wind Speed N 16 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Sep 9:52 pm EDT
Extended Forecast for

Jacksonville Beach FL

High Surf Advisory September 30, 10:15pm until October 4, 05:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory September 30, 10:15pm until October 4, 05:00am

    NOW until 5:00am Sat

    High Surf Advisory

  • Tonight

    Low: 73 °F

    Chance
    Showers and
    Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Windy, with a north wind 17 to 21 mph, with gusts as high as 29 mph.

    High: 79 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 76. Very windy, with a northeast wind 24 to 28 mph, with gusts as high as 38 mph.  Chance of precipitation is 30%.

    Low: 76 °F

    Very Windy.
    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly sunny, with a high near 78. Very windy, with a northeast wind 25 to 28 mph, with gusts as high as 38 mph.  Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers and
    Very Windy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm.  Partly cloudy, with a low around 75. Very windy, with a northeast wind 25 to 28 mph, with gusts as high as 38 mph.  Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely and
    Very Windy

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 78. Windy.  Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely and
    Windy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.  Partly cloudy, with a low around 75. Very windy.  Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely and
    Very Windy
    then Chance
    T-storms and
    Windy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Partly sunny, with a high near 78. Very windy.  Chance of precipitation is 60%.

    High: 78 °F

    Heavy Rain
    and Very
    Windy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between 1am and 2am. Mostly cloudy, with a low around 73. Windy, with a north wind around 21 mph, with gusts as high as 29 mph.
Wednesday
Mostly sunny, with a high near 79. Windy, with a north wind 17 to 21 mph, with gusts as high as 29 mph.
Wednesday Night
A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 76. Very windy, with a northeast wind 24 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 78. Very windy, with a northeast wind 25 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Partly cloudy, with a low around 75. Very windy, with a northeast wind 25 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 78. Windy. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 75. Very windy. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 78. Very windy. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 77. Very windy. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 79. Windy. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Windy. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Breezy.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Jacksonville Beach FL
 30.3°N 81.39°W
9:26 pm EDT Sep 30, 2025
10pm EDT Sep 30, 2025-6pm EDT Oct 7, 2025
 
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